KR20210031939A - How to prioritize synchronization sources, devices and computer storage media - Google Patents

Abstract

An embodiment of the present application provides a synchronization source prioritization method, a device, and a computer storage medium. The synchronization source priority method includes: determining, by a terminal, first synchronization source priority information based on at least one of capability information and service class information of the terminal; And transmitting, by the terminal, the first synchronization source priority information.

Description

How to prioritize synchronization sources, devices and computer storage media

The present application relates to wireless communication technology, and more particularly to a synchronization source prioritization method, a device and a computer storage medium.

In the Vehicle-to-Everything (V2X) protocol, synchronization between different node devices can be classified into the following three types of synchronization depending on the synchronization source. 1. Synchronization through the Global Navigation Satellite System (GNSS), 2. Synchronization through a cellular base station, and 3. Synchronization through the User Equipment (UE). have.

The synchronization source priority is determined in a pre-configuration method, and the synchronization source priority is pre-configured depending on whether the terminal covers the base station signal, but the synchronization source determined by the above method is not optimal. In a scenario in which the communication signal quality of the terminal is within the coverage range but the communication signal quality of the terminal is not good, if the synchronization source having the highest priority is determined according to the above scheme, service may be interrupted or delayed due to signal quality problems.

An embodiment of the present application provides a synchronization source priority determination method, a device, and a computer storage medium, and synchronization can be performed by efficiently selecting a synchronization source having the highest priority in a timely manner.

In the first aspect, a synchronization source priority determination method is provided, wherein the synchronization source priority method includes: a terminal determines first synchronization source priority information based on at least one of capability information and service class information of the terminal. The step of doing; And transmitting, by the terminal, the first synchronization source priority information.

In a second aspect, it provides a terminal, wherein the terminal comprises a processing unit and a communication unit,

The processing unit is configured to determine first synchronization source priority information based on at least one of capability information and service class information of the terminal;

The communication unit is configured to transmit the first synchronization source priority information determined by the processing unit.

According to a third aspect, a terminal including a processor and a memory, wherein the memory is for storing a computer program, and the processor calls and executes a computer program stored in the memory, Do the way.

In a fourth aspect, comprising a processor, the processor is for implementing a method of the first aspect or each implementation manner to call and execute a computer program in the memory.

In a fifth aspect, when a computer program is stored and executed by the program, the method of the first aspect or each implementation manner is implemented.

In a sixth aspect, a computer program product including computer program instructions is provided, wherein the computer program instructions cause the computer to perform the first aspect or a method of each implementation method.

In a seventh aspect, a computer program is provided, and when the program is run on a computer, it causes the computer to execute the method of the first aspect or each implementation manner.

Through the above technical solution, the terminal determines synchronization source priority information based on at least one of its own capability information and service class information, and transmits it to the node device (e.g., transmits it to another terminal, a base station, or a relay device). Therefore, by implementing QoS guarantee based on at least one of the capability information and service class information of the terminal, the terminal can perform synchronization by selecting the synchronization source with the highest synchronization priority in a timely manner and performing synchronization, thereby ensuring the continuity of the service. It can be secured, and delays or service interruptions due to problems such as unnecessary handovers can be reduced.

1 is an exemplary diagram of a communication system architecture provided by an embodiment of the present application.
2 is an exemplary flow diagram 1 of a method for determining priority of a synchronization source provided by an embodiment of the present application.
3 is an exemplary flow diagram 2 of a method for determining a synchronization source priority provided by an embodiment of the present application.
4 is an exemplary diagram of a method for determining priority of a synchronization source provided by an embodiment of the present application.
5 is an exemplary flow diagram 3 of a method for determining priority of a synchronization source provided by an embodiment of the present application.
6 is an exemplary block diagram of a terminal provided by an embodiment of the present application.
7 is an exemplary floc diagram of a hardware configuration of a terminal provided by an embodiment of the present application.
8 is a schematic structural diagram of a chip according to an embodiment of the present application.

Hereinafter, a technical solution according to an embodiment of the present application will be described with reference to the accompanying drawings according to an embodiment of the present application, but it is clear that the described embodiments are only some embodiments of the present application and not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art on the premise that creative labor is not granted fall within the scope of the claims of the present application.

Technical solutions according to the embodiments of the present application include various communication systems, for example, Global System of Mobile communication (GSM), Code Division Multiple Access (CDMA) system, and broadband code division multiplexing. Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS) system, Long Term Evolution (LET) system, LTE Frequency Division Duplex (FDD) system , LTE Time Division Duplex, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, or future 5G systems.

Illustratively, the communication system 100 applied to the embodiment of the present application is shown in FIG. 1. The communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with the terminal 120 (or a communication terminal or terminal). The network device 110 may provide communication coverage for a specific geographic area, and communicates with a terminal device located within the coverage area. Optionally, the network device 110 is a GSM system or a CDMA system base station (Base Transceiver Station, BTS), a WCDMA system NodeB (NodeB, NB), an LTE system evolved base station (Evolutional NodeB, eNB or eNodeB), Or it may be a controller in a Cloud Radio Access Network (CRAN), or the network device may be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, or a 5G. It may be a network-side device, or a network device or the like in a future developed public land mobile network (PLMN).

The communication system 100 includes at least one terminal 120 located within the coverage range of the network device 110. "Terminal" as used herein refers to public switched telephone networks (PSTN), digital subscriber line (DSL), digital cable, connection through wired connection such as direct cable connection; And other data connections/networks; And a wireless interface such as a cellular network, a digital TV network of a DVB-H network, a satellite network, and a wireless local area network (WLAN) such as an AM-FM broadcast transmitter. And an apparatus of another terminal configured to receive/transmit a communication signal. And at least one of Internet of Things (IoT) devices, but is not limited thereto. A terminal configured to communicate through a wireless interface may be referred to as a “wireless communication terminal”, a “wireless terminal” or a “mobile terminal”.

Examples of the mobile terminal of the embodiment of the present application include, but are not limited to, a vehicle-mounted terminal, and the vehicle-mounted terminal performs communication through an On Board Unit (OBU); As an example, the vehicle-mounted terminal and the vehicle-mounted terminal may communicate through the OBU. The vehicle-mounted terminal may also be a terminal of a cellular radiotelephone and data processing, fax and data communication system (Personal Communications System, PCS).

Optionally, the terminals 120 may perform direct (Device to Device, D2D) communication between terminals.

Optionally, the 5G system or 5G network may also be referred to as a New Radio (NR) system or an NR network.

1 illustrates one network device and two terminals by way of example, and optionally, the communication system 100 may include a plurality of network devices, and a different number of terminals within the coverage range of each network device. It may include, and the embodiment of the present application is not limited thereto.

Optionally, the wireless communication system 100 may also include other network entities such as a network controller, a mobile management entity, and the like, but the embodiment of the present application is not limited thereto.

It should be understood that, among the embodiments of the present application, a device having a communication function in a network/system may be referred to as a communication device. Taking the communication system 100 shown in FIG. 1 as an example, the communication device may include a network device 110 and a terminal 120 having a communication function, and the network device 110 and the terminal 120 are described above. It may be a specific device and is not described further here; The communication device may further include other devices in the communication system 100, and may further include other network entities such as, for example, a network controller and a mobile management entity, and is not limited to the embodiments of the present application.

It should be understood that the terms "system" and "network" in the text are often used interchangeably in the text. The term “and/or” in Chinese merely describes the related relationship of the subject to which it is related, indicating that three kinds of relationships may exist, for example, A and/or B means that A exists alone, or Three types of cases in which A and B exist at the same time or B exist alone can be indicated. In addition, the symbol “/” in the text generally means that the subject of the preceding and following association is the relationship of “or”.

An embodiment of the present application provides a method for determining a synchronization source priority. FIG. 2 is an exemplary flow diagram of a method for determining priority of a synchronization source provided by an embodiment of the present application. As shown in FIG. 2, the method of prioritizing a synchronization source includes the following steps.

In step 101, the terminal determines first synchronization source priority information based on at least one of capability information and service class information of the terminal.

In step 102, the terminal transmits the first synchronization source priority information.

In this embodiment, the step of determining, by the terminal, capability information of the terminal based on the first type information-The first type information includes at least one of clock accuracy, phase locked loop frequency deviation, battery capacity, and transmission power. Ham-includes more. Here, the capability information of the terminal and the first type information have a positive correlation, and it can be understood that as the clock accuracy improves, the phase lock loop frequency deviation increases, and as the battery capacity increases, the transmission The power increases, and the UE capability information indicates that the UE capability is strong.

Here, the first type information is related to the capability of the terminal. When the terminal acquires the first type information, the terminal determines capability information of the terminal based on the first type information.

As an embodiment, the step of determining, by the terminal, the capability information of the terminal based on the first type information, by the terminal performing weight summing processing on the information included in the first type information, the terminal And determining the capability information of the user.

As an example, when the first type information includes clock accuracy, phase locked loop frequency deviation, battery capacity, and transmission power, a weight is pre-configured for each information in the first type information, for example, the clock accuracy. When the weight is a1, the weight of the phase locked loop frequency deviation is b1, the weight of the battery capacity is c1, and the weight of the transmission power is d1, the capability information of the terminal (recorded as V-capacity) is expressed as follows. I can.

V-capacity=a1*clock accuracy+b1*phase locked loop frequency deviation+c1*battery capacity+d1*transmission power.

In this embodiment, the terminal determines service class information based on the second type information; The second type information includes at least one of a transmission rate of service data, a compression coding method for service data, an urgency degree of service data, and a sharpness of service data.

Here, the second type information is related to the service transmitted by the terminal. When the terminal acquires the second type information, the terminal determines the service class information based on the second type information.

As an embodiment, the step of determining, by the terminal, service class information based on the second type information, by the terminal performing weight summing processing on the information included in the second type information, to determine an initial service class. Determining; And determining, by the terminal terminal, service class information based on a maximum value among the initial service class and a preset service class.

As an example, if the second type information includes a transmission rate of service data, a compression coding method for service data, a degree of urgency of the service data, and a sharpness of the service data, a weight is pre-configured for each information of the second type information. For example, if the weight of the transmission rate of the service data is a2, the weight of the compression coding scheme for the service data is b2, the weight of the urgency degree of the service data is c2, and the weight of the sharpness of the service data is d2, the initial The service class can be expressed as follows.

Initial service class = a2*service data rate+b2*compression coding method for service data+c2*service data urgency+d2*service data clarity.

When the terminal acquires or configures the service class corresponding to the service in advance, the terminal compares the acquired initial service class with a preset service class, obtains the maximum value of the comparison result, and uses the obtained maximum value into service class information. To decide.

As an example, service class information (recorded as V-QoS) may be expressed as follows.

V-QoS = max{a2 *service data transmission rate+b2 *compression coding method for service data+c2 *service data urgency+d2*service data clarity, Qos class}.

In this embodiment, the terminal determines first synchronization source priority information or transmits first synchronization source priority information based on at least one of the acquired capability information and service class information of the terminal. Here, the first synchronization source priority information includes at least one of capability information and service information of the terminal. As an embodiment, the first synchronization source priority information is transmitted in a signaling manner, and indicates first synchronization source priority information through a specific bit during signaling. For example, the first synchronization source priority information includes UE capability information and service class information, and may indicate UE capability information through the first 4 bits of 8 bits, and the last 4 bits indicate service class information. . Of course, the present application is not limited to the above example, and other synchronization source priority information transport methods are also included in the protection scope of the present application.

As an embodiment, the transmitting of the first synchronization source priority information by the terminal comprises: transmitting, by the terminal, the first synchronization source priority information in a broadcast, unicast, or multicast manner. Includes.

Here, the terminal transmits the first synchronization source priority information to the node device, and the node device includes at least one node device of another terminal, a base station, or a relay device. As an embodiment, the terminal may transmit the first synchronization source priority information to the node device in a unicast manner, or may transmit the first synchronization source priority information to at least two node devices in a unicast manner. As a second embodiment, the terminal may transmit the first synchronization source priority information to at least two node devices in a multicast method. As a third embodiment, the terminal transmits the first synchronization source priority information in a broadcast manner, so that the node device can receive the first synchronization source priority information.

In one embodiment, the synchronization source priority determination method comprises: updating, by the terminal, a first synchronization source priority list of the terminal using a first period based on the first synchronization source priority information. It further includes.

Here, the terminal pre-configures a synchronization source priority list (recorded as a first synchronization source priority list), and as an embodiment, pre-configures a synchronization source priority in the first synchronization source priority list, for example For example, the configured synchronization source priority may include a relative relationship of priorities between GNSS, eNB and UE; As another embodiment, the first synchronization source priority list may further include synchronization source priority information transmitted by another node device. In this embodiment, after obtaining the first synchronization source priority information, the first synchronization source priority list is updated according to the first period. It can be understood that after obtaining the first synchronization source priority information, detecting whether the time since the last update of the first synchronization source priority list has reached the first period; After reaching the first period, the first synchronization source priority list is updated based on the obtained first synchronization source priority information.

As an embodiment, the transmitting of the first synchronization source priority information by the terminal includes the step of transmitting the first synchronization source priority information by the terminal based on a second period.

In this embodiment, the first period and the second period are determined based on a service measurement period; The first period and the second period are the same or different.

As an example, the service measurement period is {20, 50, 100, 200,… , 1000} milliseconds (ms), as an embodiment, the first period and the second period are the same, and the first period and the second period are the current service measurement period, or the service measurement period It may be configured with an arbitrary service measurement period within a selectable range. For example, the service measurement period is an arbitrary service measurement period in a combination. In another embodiment, the first period and the second period are different; Optionally, the first period is less than the second period, or the first period is greater than the second period.

By adopting the technical solution of the embodiment of the present invention, on the one hand, the terminal determines the synchronization source priority information based on at least one of its own capability information and service class information and transmits it to the node device (e.g., another terminal, Transmission to the base station or relay device), and implements QoS guarantee based on at least one of the terminal's capability information and service class information, so that the terminal selects the synchronization source with the highest synchronization priority in a timely manner and performs synchronization. As a result, service continuity can be ensured, and delays or service interruptions due to problems such as unnecessary handover can be reduced; On the other hand, the terminal periodically dynamically maintains the synchronization source priority list and periodically transmits synchronization source priority information, thereby improving the timeliness and stability of synchronization communication between the terminal and the optimal synchronization source.

An embodiment of the present application further provides a method for determining a synchronization source priority. 3 is an exemplary flow diagram of a method for determining a synchronization source priority provided by an embodiment of the present application. As shown in FIG. 3, the method for prioritizing a synchronization source includes the following steps.

In step 201, the terminal determines first synchronization source priority information based on at least one of capability information and service class information of the terminal.

In step 202, the terminal transmits the first synchronization source priority information based on a second period.

In step 203, the terminal receives second synchronization source priority information of the first node device; Here, the first node device is an arbitrary node device connected to the terminal.

In this embodiment, the description of steps 201 to 202 may specifically refer to the description of steps 101 to 102 in the above embodiment, which is not repeated any more.

In this embodiment, the receiving of the second synchronization source priority information of the first node device by the terminal includes the second synchronization source priority information transmitted by the terminal in a unicast, multicast, or broadcast method. And receiving. Here, the second synchronization source priority is synchronization source priority information obtained by the first node device, and as an example, the second synchronization source priority information is capability information and service class information of the terminal of the first node device. It may be synchronization source priority information determined based on at least one of them.

Here, the second synchronization source priority information is synchronization source priority information obtained by the first node device; The first node device includes at least one node device of another terminal, a base station, or a relay device. As an embodiment, the first node device may transmit the second synchronization source priority information in a unicast manner, and the terminal may receive the second synchronization source priority information in a unicast manner. As a second embodiment, the first node device may transmit the second synchronization source priority information through a multicast method, and the terminal may receive the second synchronization source priority information through a multicast method. As a third embodiment, the first node device transmits the second synchronization source priority information in a broadcast manner, so that the terminal can receive the second synchronization source priority information.

In another embodiment, the synchronization source priority determination method, wherein the terminal updates the first synchronization source priority list of the terminal based on the first synchronization source priority information and the second synchronization source priority information. Step-The first synchronization source priority list includes a plurality of synchronization sources sorted based on synchronization source priority information; And determining, by the terminal, a synchronization source having the highest priority based on the first synchronization source priority list.

In this embodiment, the arrangement of synchronization sources in the first synchronization source priority list is related to the priority of the synchronization source, wherein the priority of the synchronization source is at least one of capability information and service class information of the terminal. Has a positive correlation with It can be understood that, when the synchronization sources in the first synchronization source priority list are arranged in descending order of priority, the capability information of the terminal indicates that the stronger the terminal capability, the higher the priority, and is arranged forward; The higher the service class, the higher the priority, and the service class information is arranged in the front.

As an embodiment, the capability information and service class information of the terminal are correlated with the alignment of synchronization sources in the first synchronization source priority list, and the correlation of the service class information is higher than the correlation of the capability information of the terminal. Therefore, at least the service request of the terminal is secured.

As an example, as shown in FIG. 4, when there is synchronization source priority information of three terminals, each synchronization source priority information is capability information of the terminal (recorded as V-capacity, abbreviated as Vc) And service class information (recorded as V-Qos), and the following results can be obtained by comparing the V-capacity and V-QoS of the three terminals.

When the V-capacity and V-QoS of the terminal are higher than that of other terminals, the synchronization source priority corresponding to the terminal is high, as shown in the first quadrant of FIG. 4; If the V-QoS of the terminal is high and the V-capacity is low, the synchronization source priority corresponding to the terminal is the second highest; If the terminal's V-QoS is low and the V-capacity is high, the synchronization source priority corresponding to the terminal is second, and when the terminal's V-capacity and V-QoS are low, the synchronization source priority corresponding to the terminal is low. low.

It can be understood that if the V-capacity and/or V-QoS of the terminal is high, the priority level of the synchronization source corresponding to the terminal is improved.

In one embodiment, the step of determining, by the terminal, a synchronization source having the highest priority based on the synchronization source priority list, when the terminal is in the first mode, an arrangement in the first synchronization source priority list Determining a synchronization source having the highest priority based on the step-when the terminal is in the first mode, the communication quality between the terminal and the network device does not satisfy a preset requirement.

In this embodiment, when the terminal is in the first mode, it is possible to independently select a transmission resource. It can be understood that the first mode is the transmission mode, and when the terminal is in the first mode, the communication quality between network devices does not satisfy a preset requirement. As an example, when the terminal is in the first mode, it does not receive a communication signal of the network device; If the UE does not receive the scenario of the base station signal, that is, the scenario is not within the coverage range (Out Of Coverage, OOC); As another example, when the terminal is in the first mode, the communication signal of the network device can be received, but the communication signal is bad, and the communication requirement cannot be satisfied. Here, the network device may be a network device of an access network such as a base station, or may be a satellite network device.

In one embodiment, the synchronization source priority determining method comprises the steps of determining a synchronization source based on a preconfigured synchronization source priority when the terminal is in a second mode-when the terminal is in the second mode, the The communication quality between the terminal and the network device satisfies a preset requirement.

Here, the second mode is similar to the first mode, and is a transmission mode, wherein when the terminal is in the second mode, the communication quality between the terminal and the network device satisfies a predetermined requirement; The terminal is in a scenario within coverage (IC), and the communication quality is good. As an example, the terminal is in a first mode, receives a communication signal of a network device, and the communication signal is good, so that the communication requirement can be satisfied. Here, the network device is a network device of an access network such as a base station.

In this embodiment, when the terminal is in the second mode, the synchronization source is determined according to the preconfigured synchronization source priority, for example, the synchronization source is pre-configured with GNSS and the synchronization source is the priority of the evolved base station (eNB). The priority of the synchronization source is pre-configured higher than the priority of the UE, and is recorded as {GNSS, eNB}>UE, where the priority of the selected synchronization source GNSS or eNB is configurable, and the priority is set according to the pre-configured result. Determine the highest synchronization source.

In one embodiment, the synchronization source priority determination method includes the step of transmitting, by the terminal, the synchronization source having the highest priority.

In this embodiment, the terminal transmits the synchronization source having the highest priority determined through the indication information to the node device. As an embodiment, the indication information may include a preset number of bits, and different types of synchronization sources are indicated through different bits. For example, the indication information includes 4 bits, and the first bit of the 4 bits may indicate that the synchronization source is a base station, and if the first bit is "1", the synchronization source with the highest determined priority is the base station. Can indicate that; If the first bit is “0”, it may indicate that the synchronization source with the highest priority is not the base station; 3 bits other than the first bit may indicate the terminal.

Here, the terminal may transmit the synchronization source having the highest priority in a unicast, multicast, or broadcast method.

In one embodiment, the synchronization source priority determination method comprises: transmitting, by the terminal, the second synchronization source priority information to a second node device-The second node device It further includes a node device other than one node device.

Here, the terminal transmits the second synchronization source priority information to a second node device in a broadcast, unicast, or multicast manner; The second node device may be another terminal or a node device connected to a terminal such as a base station or a relay device.

In this embodiment, the first node device and the second node device may form a multi-hop network, and the terminal transmits the first synchronization source priority list of the terminal to the second node device. Thus, the synchronization source priority information in the synchronization source priority list is shared.

Here, the terminal may transmit the second synchronization source priority information to the second node device using a third period; Alternatively, after the terminal acquires the second synchronization source priority information, it may be directly transmitted to the second node device. Here, the third period is determined based on a service measurement period; The third period may be the same as the first period and/or the second period, and may also be different from the first period and/or the second period.

In one embodiment, the synchronization source priority determination method comprises the steps of, by the terminal, transmitting the first synchronization source priority list to a second node device.- The second node device is the second node device from a node device connected to the terminal. It further includes a node device other than one node device.

Here, the terminal transmits the first synchronization source priority list to the second node device in a broadcast, unicast, or multicast manner; The second node device may be another terminal or a node device connected to a terminal such as a base station or a relay device.

In this embodiment, the first node device and the second node device may form a multi-hop network, and the terminal transmits the first synchronization source priority list of the terminal to the second node device. Thus, synchronization source priority information in the synchronization source priority list can be shared.

Here, the terminal may transmit the first synchronization source priority list to the second node device using a fourth period; Here, the fourth period is determined based on a service measurement period; The third period may be the same as the first period and/or the second period, and may also be different from the first period and/or the second period.

By adopting the technical solution of the embodiment of the present invention, on the one hand, the terminal determines the synchronization source priority information based on at least one of its own capability information and service class information and transmits it to the node device (e.g., another terminal, Transmission to the base station or relay device), and implements QoS guarantee based on at least one of the terminal's own capability information and service class information, so that the terminal selects the synchronization source with the highest synchronization priority in a timely manner and efficiently performs synchronization. Since it can be performed, service continuity can be ensured, and delays or service interruptions due to problems such as unnecessary handover can be reduced. On the other hand, the terminal periodically dynamically maintains the synchronization source priority list and periodically transmits synchronization source priority information, thereby improving the timeliness and stability of synchronization communication between the terminal and the optimal synchronization source.

An embodiment of the present application further provides a method for determining a synchronization source priority. 5 is an exemplary flow diagram of a method for determining a synchronization source priority provided by an embodiment of the present application. As shown in FIG. 5, the method for prioritizing a synchronization source includes the following steps.

In step 301, the terminal determines first synchronization source priority information based on at least one of capability information and service class information of the terminal.

In step 302, the terminal transmits the first synchronization source priority information based on a second period.

In step 303, the terminal receives a second synchronization source priority list of the first node device; Here, the first node device is an arbitrary node device connected to the terminal.

In this embodiment, the description of steps 301 to 302 may specifically refer to the description of steps 101 to 102 in the above embodiment, which is not repeated any more.

In this embodiment, the step of receiving, by the terminal, a second synchronization source priority list of the first node device, by the terminal, the second synchronization transmitted by the first node device in a unicast, multicast, or broadcast method. Receiving a source priority list. Here, the second synchronization source priority list is a synchronization priority list stored in the first node device; The second synchronization priority list may include synchronization source priority information determined by the terminal of the first node device based on at least one of its own capability information and service class information.

Here, the first node device includes at least one node device of another terminal, a base station, or a relay device. In one embodiment, the first node device includes at least one node device of another terminal, a base station, or a relay device. As an embodiment, the first node device may transmit the second synchronization source priority list in a unicast manner, and the terminal may receive the second synchronization source priority list in a unicast manner. As a second embodiment, the first node device may transmit the second synchronization source priority list through a multicast method, and the terminal may receive the second synchronization source priority list through a multicast method. As a third embodiment, the first node device transmits the second synchronization source priority list in a broadcast manner, so that the terminal can receive the second synchronization source priority list.

In another embodiment, the synchronization source prioritization method further comprises, by the terminal, updating a first synchronization source priority list of the terminal based on the second synchronization source priority list; And determining, by the terminal, a synchronization source having the highest priority based on the first synchronization source priority list.

Here, the arrangement of synchronization sources in the first synchronization source priority list is related to the priority of the synchronization source, wherein the priority of the synchronization source is at least one of capability information and service class information of the terminal, and a positive value. Have a correlation. The arrangement of synchronization sources in the second synchronization source priority list is the same. It can be understood that the synchronization source arrangement in the synchronization source priority list (including the first synchronization source priority list and the second synchronization source priority list) is arranged in descending order of priority, and the capability information of the terminal is the terminal capability. The stronger this, the higher the priority, indicating that it is arranged forward; The higher the service class, the higher the priority, and the service class information is arranged in the front.

In one embodiment, in the correlation of the alignment of the synchronization sources in the first synchronization source priority list in which the capability information and the service class information of the terminal, the correlation of the service class information is higher than the correlation of the capability information of the terminal, At least, it guarantees the service request of the terminal.

As an example, as shown in FIG. 4, when there is synchronization source priority information of three terminals, each synchronization source priority information includes capability information (recorded as V-capacity) and service class information (V -Qos), and the following results can be obtained by comparing the V-capacity and V-QoS of the three terminals.

When the V-capacity and V-QoS of the terminal are higher than that of other terminals, the synchronization source priority corresponding to the terminal is high, as shown in the first quadrant of FIG. 4; If the V-QoS of the terminal is high and the V-capacity is low, the synchronization source priority corresponding to the terminal is the second highest; If the terminal's V-QoS is low and the V-capacity is high, the synchronization source priority corresponding to the terminal is second, and when the terminal's V-capacity and V-QoS are low, the synchronization source priority corresponding to the terminal is low. low.

It can be understood that if the V-capacity and/or V-QoS of the terminal is high, the priority level of the synchronization source corresponding to the terminal is improved.

In one embodiment, the step of determining, by the terminal, a synchronization source having the highest priority based on the synchronization source priority list, when the terminal is in the first mode, an arrangement in the first synchronization source priority list Determining a synchronization source having the highest priority based on the above; Here, when the terminal is in the first mode, the communication quality between the terminal and the network device does not satisfy a preset requirement.

In this embodiment, when the terminal is in the first mode, it is possible to independently select a transmission resource. It can be understood that the first mode is the transmission mode, and when the terminal is in the first mode, the communication quality between network devices does not satisfy a preset requirement. As an example, the terminal does not receive a communication signal of the network device when in the first mode; If the terminal does not receive the scenario of the base station signal, that is, the scenario is not within the coverage range (Out Of Coverage, OOC); As another example, the terminal may receive the communication signal of the network device when in the first mode, but the communication signal is bad, and the communication requirement cannot be satisfied. Here, the network device is a network device of an access network such as a base station.

In one embodiment, the synchronization source priority determining method comprises the steps of determining a synchronization source based on a preconfigured synchronization source priority when the terminal is in a second mode-when the terminal is in the second mode, the The communication quality between the terminal and the network device satisfies a preset requirement.

Here, the second mode is similar to the first mode, and is a transmission mode, wherein when the terminal is in the second mode, the communication quality between the terminal and the network device satisfies a predetermined requirement; The terminal is in a scenario within the coverage range (In Coverage, IC), and the communication quality is good. As an example, the terminal may be in a first mode and receive a communication signal of a network device, a communication signal is good, and a communication requirement can be satisfied. Here, the network device may be a network device of an access network such as a base station, or may be a satellite network device.

In this embodiment, when the terminal is in the second mode, the synchronization source is determined according to the preconfigured synchronization source priority, for example, the synchronization source is pre-configured with GNSS and the synchronization source is the priority of the evolved base station (eNB). The priority of the synchronization source is pre-configured higher than the priority of the UE, and is recorded as {GNSS, eNB}>UE, where the priority of the selected synchronization source GNSS or eNB is configurable, and the priority is set according to the pre-configured result. Determine the highest synchronization source.

In one embodiment, the synchronization source priority determination method includes the step of transmitting, by the terminal, the synchronization source having the highest priority.

In this embodiment, the terminal transmits the synchronization source having the highest priority determined through the indication information to the node device. As an embodiment, the indication information may include a preset number of bits, and different types of synchronization sources are indicated through different bits. For example, the indication information includes 4 bits, and the first bit of the 4 bits may indicate that the synchronization source is a base station, and if the first bit is "1", the synchronization source with the highest determined priority is the base station. Can indicate that; If the first bit is “0”, it may indicate that the synchronization source with the highest priority is not the base station; 3 bits other than the first bit may indicate the terminal.

Here, the terminal may transmit the synchronization source having the highest priority in a unicast, multicast, or broadcast method.

In one embodiment, the synchronization source priority determination method comprises the steps of, by the terminal, transmitting the first synchronization source priority list to a second node device.- The second node device is the second node device from a node device connected to the terminal. It further includes a node device other than one node device.

Here, the terminal transmits the first synchronization source priority list to the second node device in a broadcast, unicast, or multicast manner; The second node device may be another terminal or a node device connected to a terminal such as a base station or a relay device.

In this embodiment, the first node device and the second node device may form a multi-hop network, and the terminal transmits the first synchronization source priority list of the terminal to the second node device. Thus, the synchronization source priority information in the synchronization source priority list is shared.

Here, the terminal may transmit the first synchronization source priority list to the second node device using a fourth period; Here, the fourth period is determined based on a service measurement period; The third period may be the same as the first period and/or the second period, and may also be different from the first period and/or the second period.

In one embodiment, the synchronization source prioritization method comprises: transmitting, by the terminal, the second synchronization source priority list to a second node device.- The second node device is the second node device connected to the terminal. It further includes a node device other than one node device.

Here, the terminal transmits the second synchronization source priority list to a second node device in a broadcast, unicast, or multicast manner; The second node device may be another terminal or a node device connected to a terminal such as a base station or a relay device.

By adopting the technical solution of the embodiment of the present invention, on the one hand, the terminal determines the synchronization source priority information based on at least one of its own capability information and service class information and transmits it to the node device (e.g., another terminal, Transmission to the base station or relay device), and implements QoS guarantee based on at least one of the terminal's own capability information and service class information, so that the terminal selects the synchronization source with the highest synchronization priority in a timely manner and effectively Since it can be performed, service continuity can be ensured, and delays or service interruptions due to problems such as unnecessary handover can be reduced; On the other hand, the terminal dynamically maintains the synchronization source priority list periodically and periodically transmits synchronization source priority information, thereby improving the timeliness and stability of synchronization communication between the terminal and the optimal synchronization source.

The embodiment of the present application further provides a terminal. 6 is an exemplary block diagram of a terminal provided by an embodiment of the present application. As shown in Fig. 6, the terminal includes a processing unit 41 and a communication unit 42; here,

The processing unit 41 is configured to determine first synchronization source priority information based on at least one of capability information and service class information of the terminal;

The communication unit 42 is configured to transmit the first synchronization source priority information determined by the processing unit 41.

In one embodiment, the processing unit 41 also receives, the terminal receives a second synchronization source priority list of the first node device-the first type information is clock accuracy, phase locked loop frequency deviation, battery capacity, It is configured to include at least one of the transmit power.

In this embodiment, the processing unit 41 is configured to determine the capability information of the terminal by performing weight summing processing on the information included in the first type information.

In one embodiment, the processing unit 41 also determines service class information based on the second type information-the second type information is a transmission rate of service data, a compression coding method for service data, and an emergency of service data. It is configured to include at least one of the degree and the clarity of the service data.

In this embodiment, the processing unit 41 determines an initial service class by performing weight summing processing on the information included in the second type information-the maximum value among the initial service class and a preset service class It is configured to determine service class information based on -.

In one embodiment, the communication unit 42 is configured to transmit the first synchronization source priority information in a manner of broadcast, unicast or multicast.

In one embodiment, the processing unit 41 is further configured to update the first synchronization source priority list of the terminal based on the first synchronization source priority information.

In one embodiment, the communication unit 42 is configured to transmit the first synchronization source priority information based on a second period.

In this embodiment, the first period and the second period are determined based on a service measurement period; The first period and the second period are the same or different.

The embodiment of the present application further provides a terminal; As shown in Fig. 6, the terminal includes a processing unit 41 and a communication unit 42; here,

The processing unit 41 is configured to determine first synchronization source priority information based on at least one of capability information and service class information of the terminal;

The communication unit 42 is configured to transmit first synchronization source priority information determined by the processing unit 41; In addition, it is configured to receive a second synchronization source priority list of the first node device, wherein the first node device is any node device connected to the terminal.

In this embodiment, the communication unit 42 is configured such that the first node device receives the second synchronization source priority information transmitted in a unicast, multicast or broadcast manner.

In one embodiment, the processing unit 41 also updates the first synchronization source priority list of the terminal based on the first synchronization source priority information and the second synchronization source priority information-the first The synchronization source priority list is configured to include a plurality of synchronization sources sorted based on the synchronization source priority information;

The processing unit 41 is further configured to determine the synchronization source having the highest priority based on the first synchronization source priority list.

In one embodiment, the arrangement of synchronization sources in the first synchronization source priority list is related to the priority of the synchronization source; Here, the priority of the synchronization source has a positive correlation with at least one of capability information and service class information of the terminal.

In one embodiment, the processing unit 41, when in the first mode, determines the synchronization source having the highest priority based on an arrangement in the first synchronization source priority list-the terminal is in the first mode If present, the communication quality between the terminal and the network device does not satisfy a preset requirement.

In another embodiment, the processing unit 41 further includes determining a synchronization source based on a preconfigured synchronization source priority when the terminal is in the second mode-when the terminal is in the second mode, the The communication quality between the terminal and the network device satisfies a preset requirement.

In one embodiment, the communication unit 42 also transmits the second synchronization source priority information to the second node device-The second node device excludes the first node device from the node device connected to the terminal. It is a different node device-it is configured to be.

In one embodiment, the communication unit 42 also transmits the first synchronization source priority list to the second node device-The second node device excludes the first node device from the node device connected to the terminal. It is a different node device-it is configured to be.

The embodiment of the present application further provides a terminal; As shown in Fig. 6, the terminal includes a processing unit 41 and a communication unit 42; here,

The processing unit 41 is configured to determine first synchronization source priority information based on at least one of capability information and service class information of the terminal;

The communication unit 42 is configured to transmit first synchronization source priority information determined by the processing unit 41; In addition, the first node device is configured to receive second synchronization source priority information of the first node device, wherein the first node device is an arbitrary node device connected to the terminal.

In this embodiment, the communication unit 42 and the first node device are configured to receive a second synchronization source priority list transmitted in a unicast, multicast or broadcast manner.

In one embodiment, the processing unit 41 is further configured to update the first synchronization source priority list of the terminal based on the second synchronization source priority list.

In this embodiment, the arrangement of synchronization sources in the first synchronization source priority list is related to the priority of the synchronization source, wherein the priority of the synchronization source is at least one of capability information and service class information of the terminal. Has a positive correlation with

In one embodiment, the processing unit 41, when in the first mode, determines the synchronization source having the highest priority based on an arrangement in the first synchronization source priority list-the terminal is in the first mode If present, the communication quality between the terminal and the network device does not satisfy a preset requirement.

In another embodiment, the processing unit 41 further includes determining a synchronization source based on a preconfigured synchronization source priority when the terminal is in the second mode-when the terminal is in the second mode, the The communication quality between the terminal and the network device satisfies a preset requirement.

In one embodiment, the communication unit 42 also transmits the first synchronization source priority list to the second node device-The second node device excludes the first node device from the node device connected to the terminal. It is a different node device-it is configured to be.

In one embodiment, the communication unit 42 also transmits the second synchronization source priority list to the second node device-The second node device excludes the first node device from the node device connected to the terminal. It is a different node device-it is configured to be.

In an embodiment of the present invention, the processing unit 41 in the terminal includes a central processing unit (CPU), a digital signal processor (DSP), and a microcontroller in the terminal in all practical applications. It may be implemented by a unit (MCU, Microcontroller Unit) or a field programmable gate controller unit (FPGA, Field-Programmable Gate Array); In the terminal, the communication unit 42 may be implemented through a communication module (including an infrastructure communication switch, an operating system, a communication module, a standard interface and protocol, etc.) and a transceiver antenna in an actual application.

7 is an exemplary block diagram of a hardware configuration of a terminal provided by an embodiment of the present application. As shown in FIG. 7, the terminal includes a processor 610, and the processor 610 may call and execute a computer program from a memory to implement a method according to an embodiment of the present application.

Optionally, as shown in FIG. 7, the terminal may further include a memory 620. Here, the processor 610 may call and execute a computer program from the memory 620 to implement the method according to the embodiment of the present application.

Here, the memory 620 may be a separate component independent from the processor 610 or may be integrated into the processor 610.

Optionally, as shown in FIG. 7, the terminal may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Information or data may be transmitted to the device, or information or data transmitted by another device may be received.

Here, the transceiver 630 may include a transmitter and a receiver. The transceiver 630 may further include an antenna, and the number of antennas may be one or a plurality.

Optionally, the terminal may specifically be the network device of the embodiment of the present application, and the terminal may implement a corresponding process implemented by the network device in each method of the embodiment of the present application, and for brevity, here no longer Do not repeat.

Optionally, the terminal may be a mobile terminal/terminal of the embodiment of the present application, and the terminal may implement a corresponding process implemented by the mobile terminal/terminal in each method of the embodiment of the present application, and for brevity, No more repeating here.

The embodiment of the present application further provides a chip. 8 is a schematic structural diagram of a chip according to an embodiment of the present application. The terminal device 700 illustrated in FIG. 8 includes a processor 710, and the processor 710 may call and execute a computer program from a memory to implement a method according to an embodiment of the present application.

Optionally, as shown in FIG. 8, the chip 700 may include a memory 720. Here, the processor 710 may call and execute a computer program from the memory 720 to implement the method according to the embodiment of the present application.

Here, the memory 720 may be a separate component independent from the processor 710 or may be integrated into the processor 710.

Optionally, the chip 700 may further include an input interface 730. Here, the processor 710 may control the input interface 730 to communicate with another device or chip, and specifically, may acquire information or data transmitted by another device or chip.

Optionally, the chip 700 may further include an output interface 740. Here, the processor 710 may control the output interface 740 to communicate with another device or chip, and specifically, may output information or data to another device or chip.

Optionally, the chip may be applied to a network device according to an embodiment of the present application, and the chip may implement a corresponding processor implemented by a network device in each method of the embodiment of the present application, and for brevity, here No more repeating.

Optionally, the chip may be applied to a mobile terminal/terminal device according to an embodiment of the present application, and the chip may implement a corresponding processor implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, , For brevity, we don't repeat it any more here.

It should be understood that the chip mentioned in the embodiments of the present application may be referred to as a system level chip, a system chip, a chip system, or a system on chip.

It should be understood that in the embodiment of the present application, the processor may be an integrated circuit chip and has signal processing capability. In the implementation process, each step of the method embodiment may be implemented using a hardware integrated logic circuit of a processor or may be implemented using software-type instructions. The process is a general purpose processor, digital signal processor (DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, individual It may be a gate or transistor logic device. The method, steps, and logic block diagrams disclosed in the embodiments of the present application may be implemented. The general purpose processor may be a microprocessor, or the processor may be any conventional processor or the like. The steps of the method disclosed with reference to the embodiments of the present application may be directly performed or completed using a hardware decoding processor, or may be performed or completed using a combination of hardware and software modules in the decoding processor. The software module may be located in random memory, the software module may be located in mature storage media in the industry such as, for example, random access memory (RAM), flash memory, ROM, programmable ROM, electrically erasable programmable memory or registers. . The storage medium is located in a memory, and the processor reads the information in the memory and combines it with the hardware of the processor to complete the steps of the method.

It will be appreciated that the memory may be volatile memory or non-volatile memory, or may include both volatile memory and non-volatile memory. Here, the non-volatile memory includes read-only memory (ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically erasable programmable read-only memory ( Electrically EPROM, EEPROM) or flash memory. Volatile memory may be a random access memory (RAM) used as an external cache, and is used as an external cache. As an illustrative but non-limiting explanation, various types of RAM can be used, synchronous static random access memory (SSRAM), dynamic random access memory (DRAM), and synchronous dynamic random access. Memory (SDRAM, Synchronous Dynamic Random Access Memory), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Synchronous It may be a dynamic random access memory (SLDRAM, SyncLink Dynamic Random Access Memory) or a direct memory bus random access memory (DRRAM). The memory described in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable type of memory.

It should be understood that the memory is illustrative, but not a limiting description, for example, the memory of the embodiment of the present invention is also a static random access memory (static RAM, SRAM), a dynamic random access memory (Dynamic RAM, DRAM). , Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), Synchronous Linked Dynamic Random Access Memory ( Synchlink DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM). That is, the memory described in the embodiments of the present application includes, but is not limited to, memory and any other suitable type of memory.

The embodiment of the present application further provides a computer-readable storage medium in which a computer program is stored, and when the program is executed by a processor, the method according to the embodiment of the present application is implemented.

Optionally, the computer-readable storage medium is applied to the terminal of the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal among the methods of the embodiment of the present application, for brevity. No more repeating here.

The embodiment of the present application further provides a computer program product including computer program instructions, the computer program instructions causing the computer to perform the method described in the embodiment of the present application.

Optionally, the computer program product is applied to the terminal of the embodiment of the present application, and the computer program command causes the computer to execute the corresponding process implemented by the terminal among the methods of the embodiment of the present application. No more repeating.

The embodiment of the present application further provides a computer program, and when the program is applied in a computer, the computer program instructions cause the computer to perform the method described in the embodiment of the present application.

Optionally, the computer program is applied to the terminal of the embodiment of the present application, and when the computer program is executed on the computer, causes the computer to execute the corresponding process implemented by the terminal among the methods of the embodiment of the present application, and is concise. For the sake of this, we do not repeat here any more

The embodiment of the present application further provides a computer program product including computer program instructions, the computer program instructions causing the computer to perform the method described in the embodiment of the present application.

Those skilled in the art may understand that each exemplary unit and algorithm step described in the embodiments disclosed herein may be combined and implemented through electronic hardware or a combination of computer software and electronic hardware. Whether these functions run in hardware or software mode depends on the specific application and design constraints of the technology solution. Skilled artisans may use different methods to implement the described functionality for each particular application, but the implementation should not be considered outside the scope of the application.

Those skilled in the art will understand that, for convenience and conciseness of description, specific operation procedures of the above-described systems, devices, and units may refer to the corresponding procedures in the above-described method embodiments, which will not be described further herein.

In some of the embodiments provided by this application, it will be appreciated that the disclosed systems, apparatus and methods may be implemented in different ways. For example, the embodiments of the device described above are merely exemplary, for example, the division of the unit is only logical function division, and there may be other division methods in actual implementation. For example, a plurality of units or components May be combined or integrated into another system, or some features may be ignored or not implemented. In addition, the indicated or discussed portions may be coupled to each other, directly coupled to each other, or the communication connection may be an indirect coupling or communication connection through some interface, device or unit, and may be of electrical, mechanical or other form.

The unit described as the separated member may or may not be physically separated, and the member displayed as a unit may or may not be a physical unit, that is, may be located in the same place, or a plurality of May be distributed in network units; According to actual needs, some or all of them may be selected to implement the purpose of the scheme of the embodiment.

In addition, in each embodiment of the present application, each functional unit may be integrated into one processing unit, or each unit may be physically present separately, or two or more units may be integrated into one unit.

When the function is implemented in the form of a software function unit and is sold or used as an independent product, the function may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application essentially or contributing to the prior art, or the part contributing to the partial technical solution may be embodied in the form of a software product, and the computer software product is stored in one storage medium. It is stored, and includes some instructions for causing one computer device (which may be a personal computer, a server, or a network device) to execute all or part of the point cloud data processing method according to each embodiment of the present application. The above-described storage medium is a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or a CD-ROM, and other capable of storing program codes. Includes media.

The above description is merely a specific embodiment of the present invention, and the scope of protection of the present invention is not limited thereto. Those of ordinary skill in the art to which the present invention pertains will readily appreciate that all changes or replacements within the technical scope disclosed in the present invention should fall within the protection scope of the present application. Accordingly, the scope of protection of the present application should be based on the scope of the claims.

Claims (43)

As a synchronization source prioritization method,
Determining, by the terminal, first synchronization source priority information based on at least one of capability information and service class information of the terminal; And
Transmitting, by the terminal, the first synchronization source priority information;
Characterized in that it comprises a,
How to prioritize synchronization sources. The method of claim 1,
The synchronization source priority determination method,
Determining, by the terminal, capability information of the terminal based on the first type information, the first type information including at least one of clock accuracy, phase locked loop frequency deviation, battery capacity, and transmission power;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 2,
The step of determining, by the terminal, capability information of the terminal based on the first type information,
Determining capability information of the terminal by performing weight summing processing on the information included in the first type information, by the terminal;
Characterized in that it comprises a,
How to prioritize synchronization sources. The method of claim 1,
The synchronization source priority determination method,
Determining, by the terminal, service class information based on the second type information-The second type information is at least one of a transmission rate of service data, a compression coding method for service data, an urgency of service data, and a sharpness of service data. Including -;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 4,
The step of determining, by the terminal, service class information based on the second type information,
Determining, by the terminal, an initial service class by performing weight summing processing on the information included in the second type information; And
Determining, by the terminal, service class information based on a maximum value among the initial service class and a preset service class;
Characterized in that it comprises a,
How to prioritize synchronization sources. The method of claim 1,
The transmitting of the first synchronization source priority information by the terminal may include: transmitting, by the terminal, the first synchronization source priority information in a broadcast, unicast, or multicast manner;
Characterized in that it comprises a,
How to prioritize synchronization sources. The method according to any one of claims 1 to 6,
The synchronization source priority determination method,
Updating, by the terminal, a first synchronization source priority list of the terminal using a first period, based on the first synchronization source priority information;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method according to any one of claims 1 to 7,
The step of the terminal transmitting the first synchronization source priority information,
Transmitting, by the terminal, the first synchronization source priority information based on a second period;
Characterized in that it comprises a,
How to prioritize synchronization sources. The method of claim 8,
The first period and the second period are determined based on a service measurement period;
Characterized in that the first period and the second period are the same or different,
How to prioritize synchronization sources. The method of claim 1,
The synchronization source priority determination method,
Receiving, by the terminal, second synchronization source priority information of a first node device, wherein the first node device is an arbitrary node device connected to the terminal;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 10,
The synchronization source priority determination method,
Updating, by the terminal, a first synchronization source priority list of the terminal based on the first synchronization source priority information and the second synchronization source priority information-the first synchronization source priority list is a synchronization source priority list. -Includes a plurality of synchronization sources sorted based on ranking information; And
Determining, by the terminal, a synchronization source having the highest priority based on the first synchronization source priority list;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 1,
The synchronization source priority determination method,
Receiving, by the terminal, a second synchronization source priority list of a first node device, wherein the first node device is an arbitrary node device connected to the terminal;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 12,
The synchronization source priority determination method,
Updating, by the terminal, a first synchronization source priority list of the terminal based on the second synchronization source priority list;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 7, 11 or 13,
The arrangement of synchronization sources in the first synchronization source priority list is related to the priority of the synchronization source,
The priority of the synchronization source is characterized in that it has a positive correlation with at least one of the capability information and the service class information of the terminal,
How to prioritize synchronization sources. The method of claim 11,
The step of determining, by the terminal, a synchronization source having the highest priority based on the synchronization source priority list,
When the terminal is in the first mode, determining a synchronization source having the highest priority based on an arrangement in the first synchronization source priority list-When the terminal is in the first mode, between the terminal and a network device -Communication quality does not satisfy the preset requirements;
Characterized in that it comprises a,
How to prioritize synchronization sources. The method of claim 10,
The synchronization source priority determination method,
Transmitting, by the terminal, the second synchronization source priority information to a second node device, the second node device being a node device other than the first node device in the node device connected to the terminal;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 7, 11 or 13,
The synchronization source priority determination method,
Transmitting, by the terminal, the first synchronization source priority list to a second node device, the second node device being a node device other than the first node device in the node device connected to the terminal;
Characterized in that it further comprises,
How to prioritize synchronization sources. The method of claim 10,
The step of the terminal receiving the second synchronization source priority information of the first node device,
Receiving, by the terminal, second synchronization source priority information transmitted in a unicast, multicast or broadcast manner;
Characterized in that it comprises a,
How to prioritize synchronization sources. The method of claim 12 or 13,
The step of receiving, by the terminal, a second synchronization source priority list of a first node device,
Receiving, by the terminal, a second synchronization source priority list transmitted by a first node device in a unicast, multicast or broadcast manner;
Characterized in that it comprises a,
How to prioritize synchronization sources. As a terminal,
The terminal includes a processing unit and a communication unit,
The processing unit is configured to determine first synchronization source priority information based on at least one of capability information and service class information of the terminal;
Wherein the communication unit is configured to transmit the first synchronization source priority information determined by the processing unit,
Terminal. The method of claim 20,
The processing unit also receives, by the terminal, a second synchronization source priority list of the first node device-The first type information includes at least one of clock accuracy, phase locked loop frequency deviation, battery capacity, and transmission power. -Characterized in that it is configured to,
Terminal. The method of claim 21,
The processing unit, characterized in that the terminal is configured to determine capability information of the terminal by performing weight summing processing on the information included in the first type information,
Terminal. The method of claim 20,
The processing unit also determines service class information based on the second type information-The second type information includes at least one of a transmission rate of service data, a compression coding method for service data, an urgency degree of service data, and a clarity of service data. Containing one-characterized in that it is configured to,
Terminal. The method of claim 23,
The processing unit determines an initial service class by performing weight summing processing on the information included in the second type information-determines service class information based on a maximum value among the initial service class and a preset service class. -Characterized in that it is configured to,
Terminal. The method of claim 20,
The communication unit is configured to transmit the first synchronization source priority information in a broadcast, unicast or multicast manner,
Terminal. The method according to any one of claims 20 to 25,
The processing unit is further configured to update a first synchronization source priority list of the terminal based on the first synchronization source priority information,
Terminal. The method according to any one of claims 20 to 26,
Wherein the communication unit is configured to transmit the first synchronization source priority information based on a second period,
Terminal. The method of claim 27,
The first period and the second period are determined based on a service measurement period;
Characterized in that the first period and the second period are the same or different,
Terminal. The method of claim 20,
The communication unit is further configured to receive second synchronization source priority information of the first node device, wherein the first node device is any node device connected to the terminal.
Terminal. The method of claim 29,
The processing unit also updates the first synchronization source priority list of the terminal based on the first synchronization source priority information and the second synchronization source priority information.- The first synchronization source priority list is a synchronization source -Comprising a plurality of synchronization sources sorted based on the priority information;
Wherein the processing unit is further configured to determine a synchronization source having the highest priority based on the first synchronization source priority list,
Terminal. The method of claim 20,
The communication unit is further configured to receive a second synchronization source priority list of the first node device, wherein the first node device is any node device connected to the terminal.
Terminal. The method of claim 31,
Wherein the processing unit is further configured to update the first synchronization source priority list of the terminal based on the second synchronization source priority list,
Terminal. The method of claim 26, 30 or 32,
The arrangement of synchronization sources in the first synchronization source priority list is related to the priority of the synchronization source,
The priority of the synchronization source is characterized in that having a positive correlation with at least one of capability information and service class information of the terminal,
Terminal. The method of claim 30,
When the processing unit is in the first mode, the synchronization source having the highest priority is determined based on an arrangement in the first synchronization source priority list.- When the terminal is in the first mode, the synchronization source between the terminal and the network device The communication quality does not satisfy the preset requirements-characterized in that it is configured to,
Terminal. The method of claim 29,
The communication unit is further configured to transmit the second synchronization source priority information to the second node device-the second node device is a node device other than the first node device in the node device connected to the terminal- Characterized by,
Terminal. The method of claim 26, 30 or 32,
The communication unit is further configured to transmit the first synchronization source priority list to a second node device, wherein the second node device is a node device other than the first node device in the node device connected to the terminal. Characterized by,
Terminal. The method of claim 29,
The communication unit, characterized in that the first node device is configured to receive the second synchronization source priority information transmitted in a unicast, multicast or broadcast method,
Terminal. The method of claim 31 or 32,
The communication unit, characterized in that the first node device is configured to receive a second synchronization source priority list transmitted in a unicast, multicast or broadcast manner,
Terminal. A terminal including a processor and a memory,
The memory is for storing a computer program, and the processor is for executing the synchronization source prioritization method according to any one of claims 1 to 19 when calling and executing a computer program stored in the memory. Characterized by,
Terminal. A chip comprising a processor,
When calling and executing a computer program in the memory, characterized in that for executing the synchronization source prioritization method according to any one of claims 1 to 19,
chip. A computer-readable storage medium having a computer program recorded thereon,
When the program is executed by the processor, characterized in that the synchronization source prioritization method according to any one of claims 1 to 19 is implemented,
Computer-readable storage media. A computer program product comprising computer program instructions,
The computer program command is characterized in that to cause the computer to execute the synchronization source prioritization method according to any one of claims 1 to 19,
Computer program product. As a computer program,
Characterized in that, when executed on a computer, cause the computer to execute the synchronization source prioritization method according to any one of claims 1 to 19,
Computer program.

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